Gel Based Sunscreen Containing Surface Modified TiO₂ Obtained by Sol-Gel Process: Proposal for a Transparent UV Inorganic Filter

Figure 4

Diffuse reflectance spectra in the UV-Visible region of formulations containing 2.5%, 5%, and 10% of P0.05H1 TiO₂ nanoparticles and 10% commercial TiO₂ formulation.